[PATCH] D13994: Optimization for pow(x, n) where n is some constant

[Mandeep Singh Grang via llvm-commits]

mgrang marked 7 inline comments as done.

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Comment at: lib/Transforms/Utils/SimplifyLibCalls.cpp:1157
@@ +1156,3 @@
+      for (unsigned Exp = 2; Exp <= PowerOptThreshold; ++Exp) {
+        if (Op2C->isExactlyValue(Exp) || Op2C->isExactlyValue((int)-Exp)) {
+          Value *FMul = getPow(Op1, Exp, B);
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I limit the PowerOptThreshold so that we don't run into this issue. 


http://reviews.llvm.org/D13994